Note
This parameter is available starting with V4.4.2 BP2.
Overview
external_table_csv_max_buffer_size specifies the buffer size for parsing a CSV external table.
Privilege requirements
Query parameters
The
systenant and all user tenants can query this parameter using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify parameters
Both the
systenant and user tenants can modify this parameter.
Attributes
Attribute |
Description |
|---|---|
| Parameter type | Int |
| Default Value | 1G |
| Value range | [0B, +∞) |
| Modifiable | Yes, you can use theALTER SYSTEM SETStatement modification. |
| Whether to Restart the OBServer Node for the Change to Take Effect | No, the setting takes effect immediately. |
Usage instructions
If the SIZE_OVERFLOW error occurs when using the default CSV external table buffer size, you can set the buffer size to meet your requirements.
Usage examples
Set the buffer size for parsing the external CSV table to 2 GB.
obclient> ALTER SYSTEM SET external_table_csv_max_buffer_size = "2G";